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中图分类法(9)
马克思主义、列宁主义、毛泽东思想、邓小平理论(2)
军事(6)
天文学、地球科学(1)
在“
自然资源管理
”中,
命中:
9
条,耗时:小于0.01 秒
1.
Ineffective enforced legislation for nature conservation: A case study with Siberian flying squirrel and forestry in a boreal landscape
作者:
Andrea Santangelia
;
b
;
andrea.santangeli@helsinki.fi
;
Ralf
Wistbackac
;
Ilpo K. Hanskia
;
Toni Laaksonenb
关键词:
Legal protection
;
Land use
;
Mammal
;
Forest management
;
Habitats Directive
;
Habitat alteration
刊名:Biological Conservation
年:2013
2.
Towards an inter-disciplinary research agenda on climate change, water and security in Southern Europe and neighboring countries
作者:
Ralf
xA0
;
Ludwiga
;
xA0
;
r.ludwig@lmu.de
;
Roberto
xA0
;
Rosonb
;
xA0
c ;
Christos
xA0
;
Zografosd
;
Giorgios
xA0
;
Kallisd
关键词:
Climate change
;
Water
;
Human security
;
Conflict
;
Mediterranean
;
CLIWASEC
刊名:Environmental Science and Policy
年:2011
3.
Factors shaping submerged bryophyte communities: A conceptual model for small mountain streams in Germany
作者:
Horst Trempa
;
tremp@uni-landau.de
;
Dorothea Kampmannb
;
Ralf
Schulza
关键词:
Aquatic bryophytes
;
Distribution patterns
;
Species response curves
;
Water Framework Directive
刊名:Limnologica - Ecology and Management of Inland Waters
年:2012
4.
General Surveillance of the soil ecosystem: An approach to monitoring unexpected adverse effects of GMO's
作者:
Eric Smita
;
xA0
;
eric.smit@rivm.nl
;
Peter A.H.M. Bakkerb
;
Hans Bergmansa
;
Jaap Bloemc
;
Bryan S. Griffithsd
;
Michiel Rutgerse
;
Olivier Sanvidof
;
Brajesh K. Singhg
;
Hans van Veenh
;
Ralf
Wilhelmi
;
Debora C.M. Glandorfa
关键词:
General Surveillance
;
Soil
;
Genetically modified plants
;
Monitoring
刊名:Ecological Indicators
年:2012
5.
Mobility of lowland stream Trichoptera under experimental habitat and flow conditions
作者:
Piet F.M. Verdonschot
;
piet.verdonschot@wur.nl
;
Anna A. Besse-Lototskaya
;
Dorine B.M. Dekkers
;
Ralf
C.M. Verdonschot
关键词:
Flume experiment
;
Short-term movement
;
Mobility
;
Release effect
;
Random behavior
;
r-Strategist
刊名:Limnologica - Ecology and Management of Inland Waters
年:2012
6.
Obstacles to data access for research related to climate and water: Implications for science and EU policy-making
作者:
Martin Benistona
;
Markus Stoffela
;
Markus.Stoffel@unige.ch
;
Richard Hardingb
;
Martin Kernanc
;
Ralf
Ludwigd
;
Eddy Moorse
;
Paul Samuelsf
;
Klement Tocknerg
关键词:
Water policy
;
Data gaps
;
Research gaps
刊名:Environmental Science and Policy
年:2012
7.
Western Palaearctic palaeoenvironmental conditions during the Early and early Middle Pleistocene inferred from large mammal communities, and implications for hominin dispersal in Europe
作者:
Ralf
-Dietrich Kahlkea
;
rdkahlke@senckenberg.de"" rel=""nofollow
;
Nuria Garcí
;
ab
;
c
;
Dimitris S. Kostopoulosd
;
Fré
;
dé
;
ric Lacombate
;
Adrian M. Listerf
;
Paul P.A. Mazzag
;
Nikolai Spassovh
;
Vadim V. Titovi
刊名:Quaternary Science Reviews
年:2011
8.
Effects of climate and energy policy related measures and targets on the future structure of the European energy system in 2020 and beyond
作者:
Markus Blesl
;
Tom Kober
;
David Bruchof
;
Ralf
Kuder
关键词:
Energy system modelling
;
EU-27
;
Climate policy
刊名:Energy Policy
年:2010
9.
Flood monitoring in a semi-arid environment using spatially high resolution radar and optical data
作者:
Ralf
Seiler
;
Jana Schmidt
;
Ousmane Diallo
;
Elmar Csaplovics
关键词:
SAR
;
Texture analysis
;
Flood monitoring
刊名:Journal of Environmental Management
年:2009
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